CN108559199A - Light composite material and preparation method thereof for new-energy automobile parts machining - Google Patents
Light composite material and preparation method thereof for new-energy automobile parts machining Download PDFInfo
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- CN108559199A CN108559199A CN201810297105.6A CN201810297105A CN108559199A CN 108559199 A CN108559199 A CN 108559199A CN 201810297105 A CN201810297105 A CN 201810297105A CN 108559199 A CN108559199 A CN 108559199A
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
- C08J9/0071—Nanosized fillers, i.e. having at least one dimension below 100 nanometers
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
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- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
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- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
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- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
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- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
Abstract
The invention discloses a kind of light composite materials and preparation method thereof for new-energy automobile parts machining.The composite material includes igelite, reinforcement type polyurethane, high density polyethylene (HDPE), carbon fiber aeroge, titanium dioxide, foaming agent, blowing promotor, fire retardant, inorganic filler, impact modifier and dispersed lubricant according to the raw material of parts by weight.Light composite material prepared by the present invention not only has good toughness, thermoplasticity, draftability, impact resistance and anti-flammability, and there is light, corrosion resistance, antibiotic property and ageing-resistant performance, the present invention uses foaming agent and blowing promotor simultaneously, reduce foamable reaction temperature, improve foaming quality, compatibility of the inorganic filler between plastics is improved, density reduction amplitude is larger, to obtain the light composite material of high-quality.And preparation method of the present invention is simple, cost of material is low, can be widely used in and make all kinds of automotive plastic parts.
Description
Technical field
The application belongs to new material technology field, specifically, being related to the lightweight for new-energy automobile parts machining
Composite material and preparation method.
Background technology
The fast development of new-energy automobile industry embodies strong serious hope of the people to environmental protection, but battery life is short, traveling
It is universal that the few defect of mileage also constrains it.Therefore, following whether to reduce traditional combustion engine automobile fuel consumption, or improve new energy
The mileage travelled of source automobile, to promote degree of recognition of the consumer to new-energy automobile, it is new-energy automobile production to reduce complete vehicle weight
The developing direction of industry.
By taking front-end module as an example, it is made of multiple components, including front lighting system, radiator and cooling wind
Fan, grid mouth securing plate, is inhaled and hits buffering area, the bumper with decoration panel, front cover locking system, rain air-conditioning condenser
Brush Squirting bottle and various electronic building bricks and line arrangement etc. have the characteristics that component is more, product weight.If being continuing with biography
System metal material, can inevitably increase weight and cost, and the requirement to component assembly link is also by higher.In this regard, in front end
Light material is introduced, apparent weight loss effect can be played and reduces cost.
But the antibiotic property and heatproof ageing resistance of existing plastics or modified plastics have it is to be optimized, and flexible lighting need
It is further perfect.
Invention content
In view of this, the application problem to be solved be to provide it is compound for the lightweight of new-energy automobile parts machining
Material and preparation method thereof, the light composite material are ensureing that machining property, corrosion resistance, antibiotic property and heatproof are anti-aging
On the basis of the performances such as property, foaming quality is improved, compatibility of the inorganic filler between plastics is improved, effectively reduces material
Density realizes the flexible lighting of material.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical programs：
One aspect of the present invention provides a kind of light composite material for new-energy automobile parts machining, according to weight
Part raw material include：40-60 parts of igelite reinforces 20-30 parts of type polyurethane, 10-20 parts of high density polyethylene (HDPE), carbon fiber
Tie up 3-5 parts of aeroge, 1-3 parts of titanium dioxide, 6-10 parts of foaming agent, 0.2-0.5 parts of blowing promotor, 1-3 parts of fire retardant, inorganic filler
3-7 parts, 2-4 parts of impact modifier, 1-3 parts of dispersed lubricant.
With reference to first aspect, in a kind of possible embodiment, include according to the raw material of parts by weight：Igelite 50
Part reinforces 25 parts of type polyurethane, 15 parts of high density polyethylene (HDPE), 4 parts of carbon fiber aeroge, 2 parts of titanium dioxide, 8 parts of foaming agent, foaming
0.35 part of auxiliary agent, 2 parts of fire retardant, 5 parts of inorganic filler, 3 parts of impact modifier, 2 parts of dispersed lubricant.
With reference to first aspect, in a kind of possible embodiment, the carbon fiber aeroge grain size is 5-10nm.
With reference to first aspect, in a kind of possible embodiment, the foaming agent is azodicarbonamide, carbonic acid diisopropyl
One or more mixing in ester or sodium bicarbonate.
With reference to first aspect, in a kind of possible embodiment, the blowing promotor is nano zine oxide.
The present invention nano zine oxide under illumination condition, in water and air have extremely strong chemism, can with it is more
Oxidation reaction (including organic matter in bacterium) occurs for kind of organic matter, to most germs such as staphylococcus aureus, greatly
Enterobacteria and virus are killed；To improve the anti-microbial property of material.
In addition nano zine oxide reduces foamable reaction temperature as blowing promotor, improves foaming quality, improves nothing
Compatibility of the machine filler between plastics, it is larger that density reduces amplitude.
With reference to first aspect, in a kind of possible embodiment, the fire retardant be tricresyl phosphate (2,3- dibromopropyl) ester,
One or more mixing in phosphate toluene diphenyl ester or triphenyl phosphate.
With reference to first aspect, in a kind of possible embodiment, the inorganic filler is diatomite, montmorillonite or lightweight carbon
One or more mixing in sour calcium.
The inorganic filler that the present invention selects, predominantly porous inorganic material；Inorganic filler and carbon fiber airsetting micelle are compound
The density of material, and the performances such as heatproof ageing resistance that can improve material can effectively be reduced.
With reference to first aspect, in a kind of possible embodiment, the impact modifier is ethylene-octene copolymer, ternary
One or more mixing in EP rubbers or haloflex.
With reference to first aspect, in a kind of possible embodiment, the dispersed lubricant is stearic acid monoglyceride, second
One or more mixing in alkene-acrylic copolymer or ethylene-vinyl acetate copolymer.
Second aspect of the present invention provides the preparation of the above-mentioned light composite material for new-energy automobile parts machining
Method includes the following steps：
1) each raw material is weighed according to parts by weight；
2) it is 0.5-2cm to be mixed together igelite, reinforcement type polyurethane, high density polyethylene (HDPE) and be ground into grain size
Granulate mixture；
3) carbon fiber aeroge is put into the speed in pulverizer with 1500-2500r/min and crushes 10-20min, obtained
It is 10 μm of carbon fiber aeroge micro mists below to obtain grain size；
4) by after crushing carbon fiber aeroge micro mist, titanium dioxide, foaming agent, blowing promotor, fire retardant, inorganic filler,
Impact modifier, dispersed lubricant are sequentially placed into superhigh speed mixing machine, and premix 20- is carried out with the speed of 1000-1800r/min
30min；
5) uniformly mixed material is transferred in turbine agitator, is turned with 2000-2200r/min at 80-90 DEG C
Speed stirring 1-2 hours, carries out foamable reaction；Finally continue to be heated to 130-150 DEG C by comminutor, be squeezed out by bistrique blocky
Then object is crushed to fineness as 20 μm hereinafter, filtering and packaging multiple to get the lightweight for new-energy automobile parts machining
Condensation material.
Compared with prior art, the application can be obtained including following technique effect：
Light composite material prepared by the present invention not only has good toughness, thermoplasticity, draftability, impact resistance and resistance
Combustion property, and there is light, corrosion resistance, antibiotic property and heatproof ageing resistance, the present invention to be helped simultaneously using foaming agent and foaming
Agent reduces foamable reaction temperature, improves foaming quality, improves compatibility of the inorganic filler between plastics, and density reduces
Amplitude is larger, to obtain the light composite material of high-quality.And preparation method of the present invention is simple, cost of material is low, Neng Gouguang
General is used to make all kinds of automotive plastic parts.
Certainly, implementing any product of the application must be not necessarily required to reach all the above technique effect simultaneously.
Specific implementation mode
Presently filed embodiment will be described in detail by embodiment below, whereby to the application how application technology hand
Section solves technical problem and reaches the realization process of technical effect to fully understand and implement.
Raw materials used, equipment is known product in the specific embodiment of the invention and comparative example, is all from commercial product.
Embodiment 1
The present embodiment first aspect provides a kind of light composite material for new-energy automobile parts machining, according to
The raw material of parts by weight includes：40 parts of igelite reinforces 20 parts of type polyurethane, 10 parts of high density polyethylene (HDPE), carbon fiber gas
3 parts of gel, 1 part of titanium dioxide, 6 parts of foaming agent, 0.2 part of blowing promotor, 1 part of fire retardant, 3 parts of inorganic filler, 2 parts of impact modifier,
1 part of dispersed lubricant.
The carbon fiber aeroge grain size is 5-10nm.
The foaming agent is azodicarbonamide.
The blowing promotor is nano zine oxide.
The fire retardant is tricresyl phosphate (2,3- dibromopropyls) ester.
The inorganic filler is diatomite.
The impact modifier is ethylene-octene copolymer.
The dispersed lubricant is stearic acid monoglyceride.
Second aspect of the present invention provides the preparation of the above-mentioned light composite material for new-energy automobile parts machining
Method, steps are as follows：
1) each raw material is weighed according to parts by weight；
2) it is 0.5-2cm to be mixed together igelite, reinforcement type polyurethane, high density polyethylene (HDPE) and be ground into grain size
Granulate mixture；
3) carbon fiber aeroge is put into the speed in pulverizer with 1500r/min and crushes 10min, obtaining grain size is
10 μm of carbon fiber aeroge micro mists below；
4) by after crushing carbon fiber aeroge micro mist, titanium dioxide, foaming agent, blowing promotor, fire retardant, inorganic filler,
Impact modifier, dispersed lubricant are sequentially placed into superhigh speed mixing machine, and premix 20min is carried out with the speed of 1000r/min；
5) uniformly mixed material is transferred in turbine agitator, it is small with the stirring 1 of the rotating speed of 2000r/min at 80 DEG C
When, carry out foamable reaction；Finally continue to be heated to 130 DEG C by comminutor, block is squeezed out by bistrique, is then crushed to thin
Degree is for 20 μm hereinafter, filtering and packaging to get the light composite material for new-energy automobile parts machining.
Embodiment 2
Light composite material for new-energy automobile parts machining of the present embodiment and preparation method thereof and embodiment 1
It is similar, a kind of light composite material for new-energy automobile parts machining is provided, includes according to the raw material of parts by weight：It is poly-
50 parts of vinyl chloride plastic reinforces 25 parts of type polyurethane, 15 parts of high density polyethylene (HDPE), 4 parts of carbon fiber aeroge, 2 parts of titanium dioxide, hair
8 parts of infusion, 0.35 part of blowing promotor, 2 parts of fire retardant, 5 parts of inorganic filler, 3 parts of impact modifier, 2 parts of dispersed lubricant.
The carbon fiber aeroge grain size is 5-10nm.
The foaming agent is diisopropyl carbonate.
The blowing promotor is nano zine oxide.
The fire retardant is phosphate toluene diphenyl ester.
The inorganic filler is montmorillonite.
The impact modifier is ethylene propylene diene rubber.
The dispersed lubricant is ethylene-acrylic acid copolymer.
The present embodiment second aspect provides the system of the above-mentioned light composite material for new-energy automobile parts machining
Preparation Method, steps are as follows：
1) each raw material is weighed according to parts by weight；
2) it is 0.5-2cm to be mixed together igelite, reinforcement type polyurethane, high density polyethylene (HDPE) and be ground into grain size
Granulate mixture；
3) carbon fiber aeroge is put into the speed in pulverizer with 2000r/min and crushes 15min, obtaining grain size is
10 μm of carbon fiber aeroge micro mists below；
4) by after crushing carbon fiber aeroge micro mist, titanium dioxide, foaming agent, blowing promotor, fire retardant, inorganic filler,
Impact modifier, dispersed lubricant are sequentially placed into superhigh speed mixing machine, and premix 25min is carried out with the speed of 1400r/min；
5) uniformly mixed material is transferred in turbine agitator, 1.5 is stirred with the rotating speed of 2100r/min at 85 DEG C
Hour, carry out foamable reaction；Finally continue to be heated to 140 DEG C by comminutor, squeezes out block by bistrique, be then crushed to
Fineness is 20 μm hereinafter, filtering and packaging to get the light composite material for new-energy automobile parts machining.
Embodiment 3
Light composite material for new-energy automobile parts machining of the present embodiment and preparation method thereof and embodiment 1
It is similar, a kind of light composite material for new-energy automobile parts machining is provided, includes according to the raw material of parts by weight：It is poly-
60 parts of vinyl chloride plastic reinforces 30 parts of type polyurethane, 20 parts of high density polyethylene (HDPE), 5 parts of carbon fiber aeroge, 3 parts of titanium dioxide, hair
10 parts of infusion, 0.5 part of blowing promotor, 3 parts of fire retardant, 7 parts of inorganic filler, 4 parts of impact modifier, 3 parts of dispersed lubricant.
The carbon fiber aeroge grain size is 5-10nm.
The foaming agent is sodium bicarbonate.
The blowing promotor is nano zine oxide.
The fire retardant is triphenyl phosphate.
The inorganic filler is precipitated calcium carbonate.
The impact modifier is haloflex.
The dispersed lubricant is ethylene-vinyl acetate copolymer.
The present embodiment second aspect provides the system of the above-mentioned light composite material for new-energy automobile parts machining
Preparation Method, steps are as follows：
1) each raw material is weighed according to parts by weight；
2) it is 0.5-2cm to be mixed together igelite, reinforcement type polyurethane, high density polyethylene (HDPE) and be ground into grain size
Granulate mixture；
3) carbon fiber aeroge is put into the speed in pulverizer with 2500r/min and crushes 20min, obtaining grain size is
10 μm of carbon fiber aeroge micro mists below；
4) by after crushing carbon fiber aeroge micro mist, titanium dioxide, foaming agent, blowing promotor, fire retardant, inorganic filler,
Impact modifier, dispersed lubricant are sequentially placed into superhigh speed mixing machine, and premix 30min is carried out with the speed of 1800r/min；
5) uniformly mixed material is transferred in turbine agitator, it is small with the stirring 2 of the rotating speed of 2200r/min at 90 DEG C
When, carry out foamable reaction；Finally continue to be heated to 150 DEG C by comminutor, block is squeezed out by bistrique, is then crushed to thin
Degree is for 20 μm hereinafter, filtering and packaging to get the light composite material for new-energy automobile parts machining.
Comparative example 1
The difference for the light composite material and embodiment 1 for new-energy automobile parts machining that this comparative example provides is only
It is：Carbon fiber aeroge and blowing promotor are not included in raw material composition.
Test case 1
To the light composite material for new-energy automobile parts machining of 1-3 of the embodiment of the present invention and comparative example 1 into
Row performance test.Specific test result is shown in Table 1.
Table 1：
Know from table 1, five performances that the embodiment of the present invention 1 to 3 is detected are substantially better than the performance of comparative example 1.Because of comparison
Carbon fiber aeroge is not included in the raw material composition for the light composite material for new-energy automobile parts machining that example 1 provides
And blowing promotor, cause foaming quality not good enough, density reduces amplitude unobvious, therefore, new-energy automobile zero to be used in the present invention
The formula each component of the light composite material of component processing can be synergistic within the scope of preferred value, to prepare Gao Pin
The light composite material of matter is widely used in and makes all kinds of automotive plastic parts.
Compared with prior art, the application can be obtained including following technique effect：
Light composite material prepared by the present invention not only has good toughness, thermoplasticity, draftability, impact resistance and resistance
Combustion property, and there is light, corrosion resistance, antibiotic property and heatproof ageing resistance, the present invention to be helped simultaneously using foaming agent and foaming
Agent reduces foamable reaction temperature, improves foaming quality, improves compatibility of the inorganic filler between plastics, and density reduces
Amplitude is larger, to obtain the light composite material of high-quality.And preparation method of the present invention is simple, cost of material is low, Neng Gouguang
General is used to make all kinds of automotive plastic parts.
The present invention does not enumerate, the claims in the present invention herein there is also other a variety of enforceable technical solutions
In be claimed technical solution can all implement.
Raw materials used in the present invention, equipment is unless otherwise noted the common raw material, equipment of this field；In the present invention
Method therefor is unless otherwise noted the conventional method of this field.
The content that description in the present invention is not described in detail belongs to the common knowledge of those skilled in the art.
As being an open language in the "comprising" of specification in the whole text and claim mentioned in, therefore should be construed to
" including but not limited to "." substantially " refer in receivable error range, those skilled in the art can be in certain error
The technical problem is solved in range, basically reaches the technique effect.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Including so that commodity or system including a series of elements include not only those elements, but also include not clear
The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that including the element commodity or system in also
There are other identical elements.
Several preferred embodiments of the present invention have shown and described in above description, but as previously described, it should be understood that the present invention
Be not limited to form disclosed herein, be not to be taken as excluding other embodiments, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in the scope of the invention is set forth herein
It is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in this hair
In the protection domain of bright appended claims.
Claims (10)
1. a kind of light composite material for new-energy automobile parts machining, which is characterized in that according to the raw material of parts by weight
Including：40-60 parts of igelite reinforces 20-30 parts of type polyurethane, 10-20 parts of high density polyethylene (HDPE), carbon fiber aeroge
3-5 parts, it is 1-3 parts of titanium dioxide, 6-10 parts of foaming agent, 0.2-0.5 parts of blowing promotor, 1-3 parts of fire retardant, 3-7 parts of inorganic filler, anti-
Impact 2-4 parts of agent, 1-3 parts of dispersed lubricant.
2. a kind of light composite material for new-energy automobile parts machining according to claim 1, feature exist
In including according to the raw material of parts by weight：50 parts of igelite reinforces 25 parts of type polyurethane, 15 parts of high density polyethylene (HDPE), carbon
4 parts of fiber aeroge, 2 parts of titanium dioxide, 8 parts of foaming agent, 0.35 part of blowing promotor, 2 parts of fire retardant, 5 parts of inorganic filler, shock resistance
3 parts of agent, 2 parts of dispersed lubricant.
3. a kind of light composite material for new-energy automobile parts machining according to claim 1 or 2, feature
It is, the carbon fiber aeroge grain size is 5-10nm.
4. a kind of light composite material for new-energy automobile parts machining according to claim 1 or 2, feature
It is, the foaming agent is one or more mixing in azodicarbonamide, diisopropyl carbonate or sodium bicarbonate.
5. a kind of light composite material for new-energy automobile parts machining according to claim 1 or 2, feature
It is, the blowing promotor is nano zine oxide.
6. a kind of light composite material for new-energy automobile parts machining according to claim 1 or 2, feature
It is, the fire retardant is a kind of or more in tricresyl phosphate (2,3- dibromopropyl) ester, phosphate toluene diphenyl ester or triphenyl phosphate
Kind mixing.
7. a kind of light composite material for new-energy automobile parts machining according to claim 1 or 2, feature
It is, the inorganic filler is one or more mixing in diatomite, montmorillonite or precipitated calcium carbonate.
8. a kind of light composite material for new-energy automobile parts machining according to claim 1 or 2, feature
It is, the impact modifier is one or more mixing in ethylene-octene copolymer, ethylene propylene diene rubber or haloflex.
9. a kind of light composite material for new-energy automobile parts machining according to claim 1 or 2, feature
It is, the dispersed lubricant is in stearic acid monoglyceride, ethylene-acrylic acid copolymer or ethylene-vinyl acetate copolymer
One or more mixing.
10. a kind of system of light composite material for new-energy automobile parts machining of claim 1 to 9 any one of them
Preparation Method includes the following steps：
1) each raw material is weighed according to parts by weight；
2) igelite, reinforcement type polyurethane, high density polyethylene (HDPE) are mixed together and are ground into that grain size is 0.5-2cm
Grain mixture；
3) carbon fiber aeroge is put into the speed in pulverizer with 1500-2500r/min and crushes 10-20min, obtain grain
Diameter is 10 μm of carbon fiber aeroge micro mists below；
4) by the carbon fiber aeroge micro mist after crushing, titanium dioxide, foaming agent, blowing promotor, fire retardant, inorganic filler, anti-impact
Hit agent, dispersed lubricant is sequentially placed into superhigh speed mixing machine, premix 20-30min is carried out with the speed of 1000-1800r/min；
5) uniformly mixed material is transferred in turbine agitator, is stirred with the rotating speed of 2000-2200r/min at 80-90 DEG C
It mixes 1-2 hours, carries out foamable reaction；Finally continue to be heated to 130-150 DEG C by comminutor, block squeezed out by bistrique,
Then fineness is crushed to as 20 μm hereinafter, filtering and packaging compound to get the lightweight for new-energy automobile parts machining
Material.
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| CN201810297105.6A CN108559199A (en) | 2018-03-30 | 2018-03-30 | Light composite material and preparation method thereof for new-energy automobile parts machining |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111019321A (en) * | 2019-11-27 | 2020-04-17 | 内蒙古民族大学 | High-molecular heat-insulating material and preparation method thereof |
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